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IPC Final Exam Review Questions & Answers Latest Update 100%
Solved
What are the four universal forces? - ✔✔✔electromagnetic, strong nuclear,
weak nuclear, and gravitational
True or false? Electromagnetic force is associated with charged particles. -
✔✔✔true
Name the only two forces that can both attract and repel. - ✔✔✔electric
forces and magnetic forces
Objects with like charges ___________ one another, and objects with opposite
charges __________ one another. - ✔✔✔repel; attract
The force that holds particles in the nucleus together is the _________________.
- ✔✔✔strong nuclear force
What evidence suggests that nuclear forces have a powerful force of
attraction? - ✔✔✔they're able to hold the protons together that electrically
would repel each other
Over extremely short distances, approximately how many times stronger is
the strong nuclear force than the electric force of repulsion? - ✔✔✔100
Compare and contrast the strong and weak nuclear forces. - ✔✔✔Strong-
Strong/Weak-Weak
State Newton's law of universal gravitation. - ✔✔✔every object in the
universe attracts every other object; anything that has mass has gravity
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The gravitational force of attraction between two objects depends on
_____________ and ____________. - ✔✔✔mass; distance
True or false? Gravity is the weakest universal force, but it is the most
effective force over long distances. - ✔✔✔true
The sun's mass is much greater than the mass of Earth, so the sun's
gravitational force is much ____________ than that of Earth. - ✔✔✔stronger
Why does the moon orbit Earth in a nearly circular path? - ✔✔✔the moon's
inertia and centripetal force from Earth produce the nearly circular path
True or false? The gravitational pull of the
moon is the primary cause of Earth's ocean tides. - ✔✔✔true
True or false? The pull of Earth's gravity can slow an artificial satellite,
causing it to lose altitude and fall from the sky. - ✔✔✔Both. If the altitude
was low the answer would be true. If the altitude was high the answer would
be false.
Gravity - ✔✔✔a force of attraction
Gravity between planets is determined by the planet's _________, ___________,
and ______________ - ✔✔✔mass, distance, and inertia.
As distance increases the gravitational force ___________. - ✔✔✔decreases
As mass increases the gravitational force ________ - ✔✔✔increases.
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Gravity acts as a(n)... - ✔✔✔centripetal force
centripetal force - ✔✔✔a center seeking force
Motion is measured relative to a _______________ _____________. -
✔✔✔reference point
A passenger riding in the back seat of car driving at a steady pace, is at rest
relative to... - ✔✔✔The passenger in the front seat.
On a distance versus time graph, what does a horizontal line mean? -
✔✔✔the object is at rest
If the speed of a car does not change The car is traveling at _____________
___________. - ✔✔✔constant speed
If a cyclist travels 20km in half an hour, how far will she travel in 2 hours? -
✔✔✔80 km
Coach O'Neal runs his first km in 5 minutes, his second km in 5 minutes, and
his last two km in 10 minutes. What is his average speed? - ✔✔✔0.2km/min
If a toy car is moving 10m/s east and a second toy car is moving 10m/s west.
The toy cars have the _________________ velocity. - ✔✔✔opposite/different
Average speed equals total distance divided by... - ✔✔✔total time
A train travels 100km in 4 hours. What is its average speed? - ✔✔✔25
km/hour
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IPC Final Exam Review Questions & Answers Latest Update 100%
Solved
What are the four universal forces? - ✔✔✔electromagnetic, strong nuclear,
weak nuclear, and gravitational
True or false? Electromagnetic force is associated with charged particles. -
✔✔✔true
Name the only two forces that can both attract and repel. - ✔✔✔electric
forces and magnetic forces
Objects with like charges ___________ one another, and objects with opposite
charges __________ one another. - ✔✔✔repel; attract
The force that holds particles in the nucleus together is the _________________.
- ✔✔✔strong nuclear force
What evidence suggests that nuclear forces have a powerful force of
attraction? - ✔✔✔they're able to hold the protons together that electrically
would repel each other
Over extremely short distances, approximately how many times stronger is
the strong nuclear force than the electric force of repulsion? - ✔✔✔100
Compare and contrast the strong and weak nuclear forces. - ✔✔✔Strong-
Strong/Weak-Weak
State Newton's law of universal gravitation. - ✔✔✔every object in the
universe attracts every other object; anything that has mass has gravity
®™
1
, 2
The gravitational force of attraction between two objects depends on
_____________ and ____________. - ✔✔✔mass; distance
True or false? Gravity is the weakest universal force, but it is the most
effective force over long distances. - ✔✔✔true
The sun's mass is much greater than the mass of Earth, so the sun's
gravitational force is much ____________ than that of Earth. - ✔✔✔stronger
Why does the moon orbit Earth in a nearly circular path? - ✔✔✔the moon's
inertia and centripetal force from Earth produce the nearly circular path
True or false? The gravitational pull of the
moon is the primary cause of Earth's ocean tides. - ✔✔✔true
True or false? The pull of Earth's gravity can slow an artificial satellite,
causing it to lose altitude and fall from the sky. - ✔✔✔Both. If the altitude
was low the answer would be true. If the altitude was high the answer would
be false.
Gravity - ✔✔✔a force of attraction
Gravity between planets is determined by the planet's _________, ___________,
and ______________ - ✔✔✔mass, distance, and inertia.
As distance increases the gravitational force ___________. - ✔✔✔decreases
As mass increases the gravitational force ________ - ✔✔✔increases.
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, 2
Gravity acts as a(n)... - ✔✔✔centripetal force
centripetal force - ✔✔✔a center seeking force
Motion is measured relative to a _______________ _____________. -
✔✔✔reference point
A passenger riding in the back seat of car driving at a steady pace, is at rest
relative to... - ✔✔✔The passenger in the front seat.
On a distance versus time graph, what does a horizontal line mean? -
✔✔✔the object is at rest
If the speed of a car does not change The car is traveling at _____________
___________. - ✔✔✔constant speed
If a cyclist travels 20km in half an hour, how far will she travel in 2 hours? -
✔✔✔80 km
Coach O'Neal runs his first km in 5 minutes, his second km in 5 minutes, and
his last two km in 10 minutes. What is his average speed? - ✔✔✔0.2km/min
If a toy car is moving 10m/s east and a second toy car is moving 10m/s west.
The toy cars have the _________________ velocity. - ✔✔✔opposite/different
Average speed equals total distance divided by... - ✔✔✔total time
A train travels 100km in 4 hours. What is its average speed? - ✔✔✔25
km/hour
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